420 



INDEX 



Gooseberries, 329. 



Gophers, 224, 225, 249. 



Gouber pea, 281. 



Gourds, 326. 



Grafting, 103*, 104*, 105*. 



Grafting wax, 105. 



Grain, 97, 273-280. 



Grain aphis, 00. 



Granite, 24. 



Granite sand, 24. 



Grape, 82, 236*, 310*, 311*, 312, 



313*, 314; oidium or mildew of, 



236*, 237* ; phylloxera of, 213, 



214 ; root rot of, 249. 

 Grape fruit, 306. 

 Grape hopper, 217, 218*. 

 Graperoot worm, 198*. 

 Grapevines, 82. 

 Grass, alkali, 138 ; salt, 136*. 

 Grass Valley, 23. 

 Grasses, 78, 86, 128, 282-284; as 



weeds, 179. 



Grasshoppers, 203-204*, 221. 

 Greasewood, 137*. 

 Great Basin, 164, 281. 

 Great Lakes, 152. 

 Great Plain Regions, 29, 152. 

 Green manure, 126, 140, 141, 264, 



288. 



Greyhound, 400*. 

 Groundsel, 168*. 

 Growing tip, 86. 

 Growth, 86, 89. 

 Grub, 195. 

 Guano, 143. 

 Guernsey cow, 384. 

 Gulf coast, 278. 

 Gullies, 38*. 



Gum disease of citrus trees, 248. 

 Gumming, 241. 

 Gypsum, 137. 



Hail, 149. 



Hairs, 78, 88. 



Hamburg, 259*. 



Hardpan, 16, 55, 249 ; blasting of, 55. 



Harrows, 67, 68*. 



Harvester, 274*. 



Hawaiian Islands, 29. 



Hawks, 225. 



Hay making, 282*. 



Hazel, 90. 



Hazel nut, 315. 



Heart action, 372. 



Heat, 149 ; action of, on rock, 19. 



Hemispherical scale, 216*. 



Hemp, 297, 298. 



Heri and chickens, 23. 



Hereford cow, 385. 



Highland sheep, 394*. 



Hodge's "Nature Study and Life," 



201-203, 225. 

 Hoed crop, 126. 

 Hog, 394. 



Hollyhock rust, 241. 

 Holstein-Friesian cow, 385. 

 Holy Land, 59. 

 Honey bee, 406. 

 Hop aphis, 211. 

 Hopper dozer, 203. 

 Hops, 294, 296* ; mildew of, 235. 

 Horned caterpillar, 189*. 

 Hornets, 224. 

 Horse beans, 280. 

 Horse chestnut, 91. 

 Horses, 379*, 380, 381*, 382, 382*. 

 Horsetail, 182. 

 Horseweed, 168. 

 Humid region, 29, 30, 127. 

 Humus, 22, 24, 25, 28, 30, 32, 58, 



126, 128, 140. 



Hungarian brome grass, 284. 

 Hyacinth, 91. 

 Hybrid, 108. 

 Hydrogen peroxide, 255. 



Ice, 121. 



Ichneumon wasps, 225. 



Idaho, 30, 33, 64, 163, 302, 307. 



Imperial, 330. 



Inarching, 104*. 



Incubators, 403. 



India, 59, 60, 61, 277, 280, 306, 405. 



Indian corn, 266, 278. 



Indian ponies, 382. 



Insects, 183-209 ; as carriers of plant 



diseases, 244; bring pollen to 



flowers, 93. 



